Home / 12,997,653.90-17,937,322.80-7,196,435.46

Finding the Fourth Proportional to 12,997,653.90, 17,937,322.80 and 7,196,435.46

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Solution

The fourth proportional to 12,997,653.90, 17,937,322.80 and 7,196,435.46 is: 9,931,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,653.90 : 17,937,322.80 = 7,196,435.46 : x
  2. Step 2: Convert to fraction form
    12,997,653.90/17,937,322.80 = 7,196,435.46/x
  3. Step 3: Cross multiply
    12,997,653.90x = 17,937,322.80 × 7,196,435.46
  4. Step 4: Simplify right side
    12,997,653.90x = 129,084,785,855,386.50
  5. Step 5: Solve for x
    x = 129,084,785,855,386.50/12,997,653.90
  6. Step 6: Final answer
    x = 9,931,391.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.